cepera-ang commented on issue #17761: cmake stuck in infinite loop at configuration if nvcc is not found URL: https://github.com/apache/incubator-mxnet/issues/17761#issuecomment-594840371 I have nvcc in my $PATH as follows: ``` ➜ build git:(master) echo $PATH /home/cepera/miniconda3/condabin:/home/cepera/bin:/home/cepera/.nvm/versions/node/v12.3.1/bin: /home/cepera/.local/bin:/home/cepera/bin:/usr/local/sbin:/usr/local/bin: /usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin: /home/cepera/.fzf/bin:/usr/local/cuda-10.1/bin ➜ build git:(master) which nvcc /usr/local/bin/nvcc ``` Also, if I set CUDACXX as you suggested it seems like Cmake ignores it and still guesses different path and, unfortunately, still loops: ``` ➜ build git:(master) CUDACXX=/usr/local/bin/nvcc cmake -GNinja .. -- The C compiler identification is GNU 8.3.0 -- The CXX compiler identification is GNU 8.3.0 -- Check for working C compiler: /usr/local/bin/cc -- Check for working C compiler: /usr/local/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /usr/local/bin/c++ -- Check for working CXX compiler: /usr/local/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- CMAKE_CROSSCOMPILING FALSE -- CMAKE_HOST_SYSTEM_PROCESSOR x86_64 -- CMAKE_SYSTEM_PROCESSOR x86_64 -- CMAKE_SYSTEM_NAME Linux -- CMake version '3.13.4' using generator 'Ninja' -- Looking for a CUDA compiler -- Looking for a CUDA compiler - /usr/local/bin/nvcc CMake Warning at CMakeLists.txt:95 (message): CMAKE_CUDA_COMPILER guessed: /usr/local/cuda/bin/nvcc -- The CUDA compiler identification is NVIDIA 10.1.243 -- Check for working CUDA compiler: /usr/local/cuda/bin/nvcc -- Check for working CUDA compiler: /usr/local/cuda/bin/nvcc -- works <truncated> ```
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